Species Details

Calystegia atriplicifolia ssp. buttensis

Butte County morning-glory

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Photo of Calystegia atriplicifolia ssp. buttensis

Classification

Scientific Name: Calystegia atriplicifolia Hallier f. ssp. buttensis Brummitt
Common Name: Butte County morning-glory
Family:	Convolvulaceae
Element Code:	PDCON04012
USDA Plants Symbol:	CAATB
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G5T3
State Rank:	S3
Other Status:
CRPR Changes: changed from 1B.2 to 4.2 on 2009-04-30
Add Date:	1984-01-01
Date Edited:	2023-06-06

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: May-Jul

Elevation:
565 - 1524 meters
1855 - 5000 feet

General Habitats:

Chaparral
Lower montane coniferous forest
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Roadsides (sometimes)
Rocky

Notes

Notes: Possibly threatened by logging and road maintenance. Can be variable. Plants from DNT Co. intermediate to ssp. atriplicifolia, and plants from MEN Co. (600A) need confirmation. See Kew Bulletin 35(2):327 (1980) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	75	62 %
Road/trail construction/maint.	48	39%
Logging	45	37%
Biocides	16	13%
Other	9	7%
ORV activity	2	1%
Development	1	0%
Erosion/runoff	1	0%
Foot traffic/trampling	1	0%
Grazing	1	0%
Improper burning regime	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					121
A	B	C	D	X	U
3	34	16	4	0	64

Occurrence Status:
Historical >20 Years	54
Recent <=20 Years	67

Presence:
Presumed Extant	121
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Butte (BUT), Del Norte (DNT), Mendocino (MEN)?, Shasta (SHA), Tehama (TEH)

Quads: Name (Quad Code)
Barkley Mtn. (4012126), Bell Springs (3912385), Big Bend (4112118), Butte Meadows (4012115), Chalk Mtn. (4012187), Cohasset (3912186), Devils Parade Ground (4012116), Devils Rock (4012271), Goose Gap (4012281), Hatchet Mtn. Pass (4012177), Hiouchi (4112471), Ishi Caves (4012117), Jonesville (4012114), Kimshew Point (3912184), Montgomery Creek (4012178), Onion Butte (4012125), Paradise East (3912175), Paradise West (3912176), Roaring Creek (4012188), Shoeinhorse Mtn. (4112211), Stirling City (3912185)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

Proposed Rank Change from CRPR 1B.2 to 4.2 (2009)